Methods and assemblies for welding a gasket to a pipe section

摘要

The present disclosure is directed to a method of welding a gasket to a spigot portion of a pipe section. The method includes supporting the gasket in a recess on the spigot portion of the pipe section. The gasket includes a seating portion and a sealing portion. The sealing portion includes a first shoulder portion and a second shoulder portion. A first bonding portion extends from the first shoulder portion and a second bonding portion extends from the second shoulder portion. The first bonding portion and the second bonding portion are provided to bond the gasket to the spigot portion. The method further includes heating a portion of the gasket and an adjacent surface of the spigot portion and applying a force onto the portion of the gasket following the application of heat to fuse the gasket onto the spigot portion.

主权项

1. A method of welding a gasket to a spigot portion of a pipe section, the method comprising:
supporting the gasket in a recess on the spigot portion of the pipe section, wherein the gasket includes:
a seating portion extending radially and dimensioned to fit within an annular recess in the spigot portion;a sealing portion including a first shoulder portion axially extending from one side of the seating portion and a second shoulder portion extending from the other side of the seating portion, the first and second shoulder portions being configured to engage the spigot portion on axially opposite sides; anda first bonding portion extending from the first shoulder portion and a second bonding portion extending from the second shoulder portion, wherein the first and second bonding portions are provided to bond the gasket to the spigot portion; heating a portion of the gasket and an adjacent surface of the spigot portion; and applying a force onto the portion of the gasket following the application of heat to fuse the gasket onto the spigot portion.